java Questions

Android Studio – What is this Error when Debug android app?

September 20, 2021
user9900365
2 Answers

I got this error when I tried to debug my app java.lang.NoSuchMethodError: No virtual method requestPermissions([Ljava/lang/String;I)V in class Lcom/cscodetech/townclap/activity/LoginActivity; or its super classes (declaration of 'com.zestar.myclip.activity.LoginActivity' appears in /data/app/com.zestar.myclip-1/base.apk:classes2.dex) at com.zestar.myclip.activity.LoginActivity.onCreate(LoginActivity.java:92) The logcat pointed to this line of code requestPermissions(new…

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How to delete android virtual device release version, in android studio?

September 20, 2021
Question Asker
3 Answers

I selected Oreo 8.0 as Android virtual device release name. Now I want to delete that release version and download another. How do I delete Oreo 8.0? Also this is my first question here. :)

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Fix app keeps stopping made with android studio

September 20, 2021
Eliot Branco
3 Answers

I'm new in the android development field. Last night I made a simple calculator from a youtube tutorial and fortunately I've successfully made it. Here is the code main.xml:- <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="top|center"> <ImageView android:layout_height="120dp"…

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Android Studio – Looping array with while get only last value

September 19, 2021
tahoura hr
2 Answers

I have three array int[] image = {R.drawable.img1,R.drawable.img2} int[] sound= {R.raw.m1,R.raw.m2} String[] nom ={"el1","el2"} I tryed to change a view with imageview, text from those array when click button but i got only the last value from three array these…

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Android Studio – make buttons behind view not clickable

September 19, 2021
Matan Shalel
2 Answers

I have a linear view in front of some buttons with a background and my problem is that I can still click the buttons on the back of the view even though I can't see them. is there a way…

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Android Studio – Small problem where the IDE doesn't recognize when a variable is passed from one class to another in Java

September 17, 2021
Jack Stuart
2 Answers

Doing a little test in Java: In a class called A, I created a simple variable called name, setting "John" as value: String name = "John"; In class B, I want this variable to be identified. So even writing the…

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Android Studio – how to show mutiple image in grid like facebook and linked in

September 17, 2021
hardik koladiya
2 Answers

I need to show multiple image in grid like example given here. and also need plus icon while images is more than some certain counts

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Android Studio – Start a new thread without making variables final

September 17, 2021
Franklyn Oreben
2 Answers

Hello guys I want to place the following code in a new thread that is different from the ui thread but android studio gives an error that the variable needs to be declared final. when i declare the variable final…

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Android Studio – Back button on action bar

September 17, 2021
Sina Moradi
2 Answers

when I create a new activity, Android Studio show me this photo: It have a Back button but activity haven't it. how can I Make visible it?

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Android Studio does not recognize Java and Kotlin classes in the same project

September 17, 2021
Jack Stuart
2 Answers

I made a Java project in Android Studio, and tried to put a file in Kotlin. But you can see that Android Studio doesn't recognize Kotlin files in the same project that contains Java files. Can anyone help please? Attached…

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